• Kathryn M Ryder, Ronald I Shorr, Frances A Tylavsky, Andrew J Bush, Douglas C Bauer, Eleanor M Simonsick, Elsa S Strotmeyer, Tamara B Harris, and Health ABC Study.
• The University of Tennessee Health Science Center, Memphis, TN, USA. kryder@utmem.edu
• J Gen Intern Med. 2006 Jun 1; 21 (6): 636641636-41.

BackgroundGuidelines exist for treatment of low bone mineral density (BMD). Little is known about patient characteristics associated with use of treatment.ObjectivesTo determine patient-related correlates of medication use following screening dual x-ray absorptiometry (DXA) of older adults.DesignSecondary analysis of a prospective cohort study.SettingPittsburgh, PA and Memphis, TN.ParticipantsCommunity-dwelling women between the ages 70 and 79 years enrolled in the Health, Aging, and Body Composition (Health ABC) Study.MeasurementsRisk factors for fracture and BMD of the hip were assessed at baseline. Patients and their community physicians were supplied the results of the DXA scan. Prescription and over-the-counter medication use was collected at annual exams for 2 years.ResultsOf 1,584 women enrolled in Health ABC, 378 had an indication for antifracture therapy and were not receiving such treatment at baseline. By the second annual follow-up examination, prescription antiresorptive medication was reported in 49 (13.0%), whereas 65 (17.2%) received calcium and/or vitamin D supplementation. In adjusted models, the strongest predictor for use of any antifracture medicine was presence of osteoporosis [vs osteopenia, odds ratio (OR), 2.9 (1.7 to 4.7)], white race [OR, 2.6 (1.5 to 4.8)], and receipt of the flu shot [OR, 2.2 (1.3 to 3.8)]. Neither a history of falls nor prior fracture was associated with use of antifracture medications.ConclusionEven when physicians of study participants were provided with DXA scan results, 70% of older high-functioning women with an indication for therapy did not start or remain on an antifracture therapy. Substantial room for improvement exists in fracture prevention following a diagnosis of low BMD-especially among women with a history of falls, prior fractures, and among black women.

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